diff --git a/Exec/science/xrb_spherical/analysis/slice.py b/Exec/science/xrb_spherical/analysis/slice.py
index 7e55d3848f..b0ec8e40f0 100755
--- a/Exec/science/xrb_spherical/analysis/slice.py
+++ b/Exec/science/xrb_spherical/analysis/slice.py
@@ -66,12 +66,12 @@ def slice(fname:str, field:str,
     if field in ["x_velocity", "y_velocity", "z_velocity"]:
         sp.set_cmap(field, "coolwarm")
     elif field == "Temp":
-        sp.set_zlim(f, 5.e7, 2.5e9)
-        sp.set_cmap(f, "magma_r")
+        sp.set_zlim(field. 5.e7, 2.5e9)
+        sp.set_cmap(field, "magma_r")
     elif field == "enuc":
-        sp.set_zlim(f, 1.e18, 1.e20)
+        sp.set_zlim(field, 1.e18, 1.e20)
     elif field == "density":
-        sp.set_zlim(f, 1.e-3, 5.e8)
+        sp.set_zlim(field, 1.e-3, 5.e8)
 
     # sp.annotate_text((0.05, 0.05), f"{currentTime.in_cgs():8.5f} s")
     sp.save(f"{ds}_{loc}")